const webpack = require('webpack');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const path = require('path');

module.exports = {
  entry: path.join(__dirname, '/src/lottery/index.js'),
  output: {
    path: path.join(__dirname, '/dist'),
    filename: 'lottery.js',
  },
  module: {
    rules: [
      {
        test: /(\.jsx|\.js)$/,
        use: {
          loader: 'babel-loader',
        },
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: 'style-loader',
          },
          {
            loader: 'css-loader',
          },
          {
            loader: 'postcss-loader',
          },
        ],
      },
      {
        test: /(\.png|\.jpg)$/,
        use: {
          loader: 'file-loader',
          options: {
            esModule: false,
          },
        },
        exclude: /node_modules/,
      },
    ],
  },
  plugins: [
    new webpack.BannerPlugin('版权所有，翻版必究'),
    new HtmlWebpackPlugin({
      template: path.join(__dirname, '/src/index.html'),
      filename: './index.html',
      minify: {
        // 移除空属性
        removeEmptyAttributes: true,
        // 压缩css
        minifyCSS: true,
        // 压缩JS
        minifyJS: true,
        // 移除空格
        collapseWhitespace: true,
      },
      hash: true,
      inject: true,
    }),
    new CopyWebpackPlugin([
      {
        from: './src/css',
        to: './css',
      },
      {
        from: './src/data',
        to: './data',
      },
      {
        from: './src/img',
        to: './img',
      },
      {
        from: './src/lib',
        to: './lib',
      },
    ]),
  ],
};
